Home / 37,835.79-52,212.90-20,839.71

Finding the Fourth Proportional to 37,835.79, 52,212.90 and 20,839.71

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Solution

The fourth proportional to 37,835.79, 52,212.90 and 20,839.71 is: 28,758.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,835.79 : 52,212.90 = 20,839.71 : x
  2. Step 2: Convert to fraction form
    37,835.79/52,212.90 = 20,839.71/x
  3. Step 3: Cross multiply
    37,835.79x = 52,212.90 × 20,839.71
  4. Step 4: Simplify right side
    37,835.79x = 1,088,101,694.26
  5. Step 5: Solve for x
    x = 1,088,101,694.26/37,835.79
  6. Step 6: Final answer
    x = 28,758.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.